The new design of the nail offers a great flexibility. A system for the retrograde and antegrade technique. Universal for the left or right femur. Anatomical folding for easy introduction and extraction. Cannulation of all the nails for the guided introduction in the technique with milling and without milling. Nails with a wide variety of diameters, from 9 to 15 mm, and lengths from 160 to 480 mm. Versatile configuration for blocking for static, dynamic, standard and spiral leaf blocking.